body {
    background-color: #f8f9fa;
    font-family: Arial, sans-serif;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #007bff;
    font-weight: bold;
}

.btn {
    font-size: 1.2rem;
    padding: 10px;
}